blob: 2f18284b600437847fb5251d5b56641d9071505d [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * ipr.h -- driver for IBM Power Linux RAID adapters
3 *
4 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
5 *
6 * Copyright (C) 2003, 2004 IBM Corporation
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * Alan Cox <alan@redhat.com> - Removed several careless u32/dma_addr_t errors
23 * that broke 64bit platforms.
24 */
25
26#ifndef _IPR_H
27#define _IPR_H
28
29#include <linux/types.h>
30#include <linux/completion.h>
31#include <linux/list.h>
32#include <linux/kref.h>
33#include <scsi/scsi.h>
34#include <scsi/scsi_cmnd.h>
35
36/*
37 * Literals
38 */
brking@us.ibm.com f80ed132005-05-02 19:51:06 -050039#define IPR_DRIVER_VERSION "2.0.14"
40#define IPR_DRIVER_DATE "(May 2, 2005)"
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
42/*
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
44 * ops per device for devices not running tagged command queuing.
45 * This can be adjusted at runtime through sysfs device attributes.
46 */
47#define IPR_MAX_CMD_PER_LUN 6
48
49/*
50 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
51 * ops the mid-layer can send to the adapter.
52 */
53#define IPR_NUM_BASE_CMD_BLKS 100
54
55#define IPR_SUBS_DEV_ID_2780 0x0264
56#define IPR_SUBS_DEV_ID_5702 0x0266
57#define IPR_SUBS_DEV_ID_5703 0x0278
58#define IPR_SUBS_DEV_ID_572E 0x028D
59#define IPR_SUBS_DEV_ID_573E 0x02D3
60#define IPR_SUBS_DEV_ID_573D 0x02D4
61#define IPR_SUBS_DEV_ID_571A 0x02C0
62#define IPR_SUBS_DEV_ID_571B 0x02BE
63#define IPR_SUBS_DEV_ID_571E 0x02BF
brking@us.ibm.com86f51432005-11-01 17:02:42 -060064#define IPR_SUBS_DEV_ID_571F 0x02D5
65#define IPR_SUBS_DEV_ID_572A 0x02C1
66#define IPR_SUBS_DEV_ID_572B 0x02C2
67#define IPR_SUBS_DEV_ID_575B 0x030D
Linus Torvalds1da177e2005-04-16 15:20:36 -070068
69#define IPR_NAME "ipr"
70
71/*
72 * Return codes
73 */
74#define IPR_RC_JOB_CONTINUE 1
75#define IPR_RC_JOB_RETURN 2
76
77/*
78 * IOASCs
79 */
80#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
81#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
82#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
83#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
84#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
85#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
86#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
87#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -060088#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
89#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
Linus Torvalds1da177e2005-04-16 15:20:36 -070090#define IPR_IOASC_BUS_WAS_RESET 0x06290000
91#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
92#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
93
94#define IPR_FIRST_DRIVER_IOASC 0x10000000
95#define IPR_IOASC_IOA_WAS_RESET 0x10000001
96#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
97
98#define IPR_NUM_LOG_HCAMS 2
99#define IPR_NUM_CFG_CHG_HCAMS 2
100#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
brking@us.ibm.comd71a8b02005-11-01 17:02:49 -0600101#define IPR_MAX_NUM_TARGETS_PER_BUS 256
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102#define IPR_MAX_NUM_LUNS_PER_TARGET 256
103#define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
104#define IPR_VSET_BUS 0xff
105#define IPR_IOA_BUS 0xff
106#define IPR_IOA_TARGET 0xff
107#define IPR_IOA_LUN 0xff
brking@us.ibm.comd71a8b02005-11-01 17:02:49 -0600108#define IPR_MAX_NUM_BUSES 8
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109#define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
110
111#define IPR_NUM_RESET_RELOAD_RETRIES 3
112
113/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
114#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
115 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 3)
116
117#define IPR_MAX_COMMANDS IPR_NUM_BASE_CMD_BLKS
118#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
119 IPR_NUM_INTERNAL_CMD_BLKS)
120
121#define IPR_MAX_PHYSICAL_DEVS 192
122
123#define IPR_MAX_SGLIST 64
124#define IPR_IOA_MAX_SECTORS 32767
125#define IPR_VSET_MAX_SECTORS 512
126#define IPR_MAX_CDB_LEN 16
127
128#define IPR_DEFAULT_BUS_WIDTH 16
129#define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
130#define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
131#define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
132#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
133
134#define IPR_IOA_RES_HANDLE 0xffffffff
135#define IPR_IOA_RES_ADDR 0x00ffffff
136
137/*
138 * Adapter Commands
139 */
140#define IPR_QUERY_RSRC_STATE 0xC2
141#define IPR_RESET_DEVICE 0xC3
142#define IPR_RESET_TYPE_SELECT 0x80
143#define IPR_LUN_RESET 0x40
144#define IPR_TARGET_RESET 0x20
145#define IPR_BUS_RESET 0x10
146#define IPR_ID_HOST_RR_Q 0xC4
147#define IPR_QUERY_IOA_CONFIG 0xC5
148#define IPR_CANCEL_ALL_REQUESTS 0xCE
149#define IPR_HOST_CONTROLLED_ASYNC 0xCF
150#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
151#define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
152#define IPR_SET_SUPPORTED_DEVICES 0xFB
153#define IPR_IOA_SHUTDOWN 0xF7
154#define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
155
156/*
157 * Timeouts
158 */
159#define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
160#define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
161#define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
162#define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
163#define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
164#define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
165#define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
166#define IPR_WRITE_BUFFER_TIMEOUT (10 * 60 * HZ)
167#define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
168#define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
169#define IPR_OPERATIONAL_TIMEOUT (5 * 60)
170#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
171#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
172#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
173#define IPR_DUMP_TIMEOUT (15 * HZ)
174
175/*
176 * SCSI Literals
177 */
178#define IPR_VENDOR_ID_LEN 8
179#define IPR_PROD_ID_LEN 16
180#define IPR_SERIAL_NUM_LEN 8
181
182/*
183 * Hardware literals
184 */
185#define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
186#define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
187#define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
188#define IPR_GET_FMT2_BAR_SEL(mbx) \
189(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
190#define IPR_SDT_FMT2_BAR0_SEL 0x0
191#define IPR_SDT_FMT2_BAR1_SEL 0x1
192#define IPR_SDT_FMT2_BAR2_SEL 0x2
193#define IPR_SDT_FMT2_BAR3_SEL 0x3
194#define IPR_SDT_FMT2_BAR4_SEL 0x4
195#define IPR_SDT_FMT2_BAR5_SEL 0x5
196#define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
197#define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
198#define IPR_DOORBELL 0x82800000
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -0600199#define IPR_RUNTIME_RESET 0x40000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200
201#define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
202#define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
203#define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
204#define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
205#define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
206#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
207#define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
208#define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
209#define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
210#define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
211#define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
212
213#define IPR_PCII_ERROR_INTERRUPTS \
214(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
215IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
216
217#define IPR_PCII_OPER_INTERRUPTS \
218(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
219
220#define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
221#define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
222
223#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
224#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
225
226/*
227 * Dump literals
228 */
229#define IPR_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
230#define IPR_NUM_SDT_ENTRIES 511
231#define IPR_MAX_NUM_DUMP_PAGES ((IPR_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
232
233/*
234 * Misc literals
235 */
236#define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
237
238/*
239 * Adapter interface types
240 */
241
242struct ipr_res_addr {
243 u8 reserved;
244 u8 bus;
245 u8 target;
246 u8 lun;
247#define IPR_GET_PHYS_LOC(res_addr) \
248 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
249}__attribute__((packed, aligned (4)));
250
251struct ipr_std_inq_vpids {
252 u8 vendor_id[IPR_VENDOR_ID_LEN];
253 u8 product_id[IPR_PROD_ID_LEN];
254}__attribute__((packed));
255
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600256struct ipr_vpd {
257 struct ipr_std_inq_vpids vpids;
258 u8 sn[IPR_SERIAL_NUM_LEN];
259}__attribute__((packed));
260
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600261struct ipr_ext_vpd {
262 struct ipr_vpd vpd;
263 __be32 wwid[2];
264}__attribute__((packed));
265
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266struct ipr_std_inq_data {
267 u8 peri_qual_dev_type;
268#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
269#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
270
271 u8 removeable_medium_rsvd;
272#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
273
274#define IPR_IS_DASD_DEVICE(std_inq) \
275((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
276!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
277
278#define IPR_IS_SES_DEVICE(std_inq) \
279(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
280
281 u8 version;
282 u8 aen_naca_fmt;
283 u8 additional_len;
284 u8 sccs_rsvd;
285 u8 bq_enc_multi;
286 u8 sync_cmdq_flags;
287
288 struct ipr_std_inq_vpids vpids;
289
290 u8 ros_rsvd_ram_rsvd[4];
291
292 u8 serial_num[IPR_SERIAL_NUM_LEN];
293}__attribute__ ((packed));
294
295struct ipr_config_table_entry {
296 u8 service_level;
297 u8 array_id;
298 u8 flags;
299#define IPR_IS_IOA_RESOURCE 0x80
300#define IPR_IS_ARRAY_MEMBER 0x20
301#define IPR_IS_HOT_SPARE 0x10
302
303 u8 rsvd_subtype;
304#define IPR_RES_SUBTYPE(res) (((res)->cfgte.rsvd_subtype) & 0x0f)
305#define IPR_SUBTYPE_AF_DASD 0
306#define IPR_SUBTYPE_GENERIC_SCSI 1
307#define IPR_SUBTYPE_VOLUME_SET 2
308
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -0600309#define IPR_QUEUEING_MODEL(res) ((((res)->cfgte.flags) & 0x70) >> 4)
310#define IPR_QUEUE_FROZEN_MODEL 0
311#define IPR_QUEUE_NACA_MODEL 1
312
Linus Torvalds1da177e2005-04-16 15:20:36 -0700313 struct ipr_res_addr res_addr;
314 __be32 res_handle;
315 __be32 reserved4[2];
316 struct ipr_std_inq_data std_inq_data;
317}__attribute__ ((packed, aligned (4)));
318
319struct ipr_config_table_hdr {
320 u8 num_entries;
321 u8 flags;
322#define IPR_UCODE_DOWNLOAD_REQ 0x10
323 __be16 reserved;
324}__attribute__((packed, aligned (4)));
325
326struct ipr_config_table {
327 struct ipr_config_table_hdr hdr;
328 struct ipr_config_table_entry dev[IPR_MAX_PHYSICAL_DEVS];
329}__attribute__((packed, aligned (4)));
330
331struct ipr_hostrcb_cfg_ch_not {
332 struct ipr_config_table_entry cfgte;
333 u8 reserved[936];
334}__attribute__((packed, aligned (4)));
335
336struct ipr_supported_device {
337 __be16 data_length;
338 u8 reserved;
339 u8 num_records;
340 struct ipr_std_inq_vpids vpids;
341 u8 reserved2[16];
342}__attribute__((packed, aligned (4)));
343
344/* Command packet structure */
345struct ipr_cmd_pkt {
346 __be16 reserved; /* Reserved by IOA */
347 u8 request_type;
348#define IPR_RQTYPE_SCSICDB 0x00
349#define IPR_RQTYPE_IOACMD 0x01
350#define IPR_RQTYPE_HCAM 0x02
351
352 u8 luntar_luntrn;
353
354 u8 flags_hi;
355#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
356#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
357#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
358#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
359#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
360
361 u8 flags_lo;
362#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
363#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
364#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
365#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
366#define IPR_FLAGS_LO_ORDERED_TASK 0x04
367#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
368#define IPR_FLAGS_LO_ACA_TASK 0x08
369
370 u8 cdb[16];
371 __be16 timeout;
372}__attribute__ ((packed, aligned(4)));
373
374/* IOA Request Control Block 128 bytes */
375struct ipr_ioarcb {
376 __be32 ioarcb_host_pci_addr;
377 __be32 reserved;
378 __be32 res_handle;
379 __be32 host_response_handle;
380 __be32 reserved1;
381 __be32 reserved2;
382 __be32 reserved3;
383
384 __be32 write_data_transfer_length;
385 __be32 read_data_transfer_length;
386 __be32 write_ioadl_addr;
387 __be32 write_ioadl_len;
388 __be32 read_ioadl_addr;
389 __be32 read_ioadl_len;
390
391 __be32 ioasa_host_pci_addr;
392 __be16 ioasa_len;
393 __be16 reserved4;
394
395 struct ipr_cmd_pkt cmd_pkt;
396
397 __be32 add_cmd_parms_len;
398 __be32 add_cmd_parms[10];
399}__attribute__((packed, aligned (4)));
400
401struct ipr_ioadl_desc {
402 __be32 flags_and_data_len;
403#define IPR_IOADL_FLAGS_MASK 0xff000000
404#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
405#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
406#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
407#define IPR_IOADL_FLAGS_READ 0x48000000
408#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
409#define IPR_IOADL_FLAGS_WRITE 0x68000000
410#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
411#define IPR_IOADL_FLAGS_LAST 0x01000000
412
413 __be32 address;
414}__attribute__((packed, aligned (8)));
415
416struct ipr_ioasa_vset {
417 __be32 failing_lba_hi;
418 __be32 failing_lba_lo;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600419 __be32 reserved;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700420}__attribute__((packed, aligned (4)));
421
422struct ipr_ioasa_af_dasd {
423 __be32 failing_lba;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600424 __be32 reserved[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700425}__attribute__((packed, aligned (4)));
426
427struct ipr_ioasa_gpdd {
428 u8 end_state;
429 u8 bus_phase;
430 __be16 reserved;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600431 __be32 ioa_data[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700432}__attribute__((packed, aligned (4)));
433
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600434struct ipr_auto_sense {
435 __be16 auto_sense_len;
436 __be16 ioa_data_len;
437 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
438};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700439
440struct ipr_ioasa {
441 __be32 ioasc;
442#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
443#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
444#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
445#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
446
447 __be16 ret_stat_len; /* Length of the returned IOASA */
448
449 __be16 avail_stat_len; /* Total Length of status available. */
450
451 __be32 residual_data_len; /* number of bytes in the host data */
452 /* buffers that were not used by the IOARCB command. */
453
454 __be32 ilid;
455#define IPR_NO_ILID 0
456#define IPR_DRIVER_ILID 0xffffffff
457
458 __be32 fd_ioasc;
459
460 __be32 fd_phys_locator;
461
462 __be32 fd_res_handle;
463
464 __be32 ioasc_specific; /* status code specific field */
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600465#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
466#define IPR_AUTOSENSE_VALID 0x40000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700467#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
468#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
469#define IPR_FIELD_POINTER_MASK 0x0000ffff
470
471 union {
472 struct ipr_ioasa_vset vset;
473 struct ipr_ioasa_af_dasd dasd;
474 struct ipr_ioasa_gpdd gpdd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700475 } u;
brking@us.ibm.comc8f74892005-11-01 17:02:08 -0600476
477 struct ipr_auto_sense auto_sense;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700478}__attribute__((packed, aligned (4)));
479
480struct ipr_mode_parm_hdr {
481 u8 length;
482 u8 medium_type;
483 u8 device_spec_parms;
484 u8 block_desc_len;
485}__attribute__((packed));
486
487struct ipr_mode_pages {
488 struct ipr_mode_parm_hdr hdr;
489 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
490}__attribute__((packed));
491
492struct ipr_mode_page_hdr {
493 u8 ps_page_code;
494#define IPR_MODE_PAGE_PS 0x80
495#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
496 u8 page_length;
497}__attribute__ ((packed));
498
499struct ipr_dev_bus_entry {
500 struct ipr_res_addr res_addr;
501 u8 flags;
502#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
503#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
504#define IPR_SCSI_ATTR_QAS_MASK 0xC0
505#define IPR_SCSI_ATTR_ENABLE_TM 0x20
506#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
507#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
508#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
509
510 u8 scsi_id;
511 u8 bus_width;
512 u8 extended_reset_delay;
513#define IPR_EXTENDED_RESET_DELAY 7
514
515 __be32 max_xfer_rate;
516
517 u8 spinup_delay;
518 u8 reserved3;
519 __be16 reserved4;
520}__attribute__((packed, aligned (4)));
521
522struct ipr_mode_page28 {
523 struct ipr_mode_page_hdr hdr;
524 u8 num_entries;
525 u8 entry_length;
526 struct ipr_dev_bus_entry bus[0];
527}__attribute__((packed));
528
529struct ipr_ioa_vpd {
530 struct ipr_std_inq_data std_inq_data;
531 u8 ascii_part_num[12];
532 u8 reserved[40];
533 u8 ascii_plant_code[4];
534}__attribute__((packed));
535
536struct ipr_inquiry_page3 {
537 u8 peri_qual_dev_type;
538 u8 page_code;
539 u8 reserved1;
540 u8 page_length;
541 u8 ascii_len;
542 u8 reserved2[3];
543 u8 load_id[4];
544 u8 major_release;
545 u8 card_type;
546 u8 minor_release[2];
547 u8 ptf_number[4];
548 u8 patch_number[4];
549}__attribute__((packed));
550
brking@us.ibm.com62275042005-11-01 17:01:14 -0600551#define IPR_INQUIRY_PAGE0_ENTRIES 20
552struct ipr_inquiry_page0 {
553 u8 peri_qual_dev_type;
554 u8 page_code;
555 u8 reserved1;
556 u8 len;
557 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
558}__attribute__((packed));
559
Linus Torvalds1da177e2005-04-16 15:20:36 -0700560struct ipr_hostrcb_device_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600561 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700562 struct ipr_res_addr dev_res_addr;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600563 struct ipr_vpd new_vpd;
564 struct ipr_vpd ioa_last_with_dev_vpd;
565 struct ipr_vpd cfc_last_with_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700566 __be32 ioa_data[5];
567}__attribute__((packed, aligned (4)));
568
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600569struct ipr_hostrcb_device_data_entry_enhanced {
570 struct ipr_ext_vpd vpd;
571 u8 ccin[4];
572 struct ipr_res_addr dev_res_addr;
573 struct ipr_ext_vpd new_vpd;
574 u8 new_ccin[4];
575 struct ipr_ext_vpd ioa_last_with_dev_vpd;
576 struct ipr_ext_vpd cfc_last_with_dev_vpd;
577}__attribute__((packed, aligned (4)));
578
Linus Torvalds1da177e2005-04-16 15:20:36 -0700579struct ipr_hostrcb_array_data_entry {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600580 struct ipr_vpd vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700581 struct ipr_res_addr expected_dev_res_addr;
582 struct ipr_res_addr dev_res_addr;
583}__attribute__((packed, aligned (4)));
584
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600585struct ipr_hostrcb_array_data_entry_enhanced {
586 struct ipr_ext_vpd vpd;
587 u8 ccin[4];
588 struct ipr_res_addr expected_dev_res_addr;
589 struct ipr_res_addr dev_res_addr;
590}__attribute__((packed, aligned (4)));
591
Linus Torvalds1da177e2005-04-16 15:20:36 -0700592struct ipr_hostrcb_type_ff_error {
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600593 __be32 ioa_data[502];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700594}__attribute__((packed, aligned (4)));
595
596struct ipr_hostrcb_type_01_error {
597 __be32 seek_counter;
598 __be32 read_counter;
599 u8 sense_data[32];
600 __be32 ioa_data[236];
601}__attribute__((packed, aligned (4)));
602
603struct ipr_hostrcb_type_02_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600604 struct ipr_vpd ioa_vpd;
605 struct ipr_vpd cfc_vpd;
606 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
607 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700608 __be32 ioa_data[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700609}__attribute__((packed, aligned (4)));
610
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600611struct ipr_hostrcb_type_12_error {
612 struct ipr_ext_vpd ioa_vpd;
613 struct ipr_ext_vpd cfc_vpd;
614 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
615 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
616 __be32 ioa_data[3];
617}__attribute__((packed, aligned (4)));
618
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619struct ipr_hostrcb_type_03_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600620 struct ipr_vpd ioa_vpd;
621 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622 __be32 errors_detected;
623 __be32 errors_logged;
624 u8 ioa_data[12];
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600625 struct ipr_hostrcb_device_data_entry dev[3];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700626}__attribute__((packed, aligned (4)));
627
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600628struct ipr_hostrcb_type_13_error {
629 struct ipr_ext_vpd ioa_vpd;
630 struct ipr_ext_vpd cfc_vpd;
631 __be32 errors_detected;
632 __be32 errors_logged;
633 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
634}__attribute__((packed, aligned (4)));
635
Linus Torvalds1da177e2005-04-16 15:20:36 -0700636struct ipr_hostrcb_type_04_error {
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600637 struct ipr_vpd ioa_vpd;
638 struct ipr_vpd cfc_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700639 u8 ioa_data[12];
640 struct ipr_hostrcb_array_data_entry array_member[10];
641 __be32 exposed_mode_adn;
642 __be32 array_id;
brking@us.ibm.comcfc32132005-11-01 17:00:18 -0600643 struct ipr_vpd incomp_dev_vpd;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700644 __be32 ioa_data2;
645 struct ipr_hostrcb_array_data_entry array_member2[8];
646 struct ipr_res_addr last_func_vset_res_addr;
647 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
648 u8 protection_level[8];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700649}__attribute__((packed, aligned (4)));
650
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600651struct ipr_hostrcb_type_14_error {
652 struct ipr_ext_vpd ioa_vpd;
653 struct ipr_ext_vpd cfc_vpd;
654 __be32 exposed_mode_adn;
655 __be32 array_id;
656 struct ipr_res_addr last_func_vset_res_addr;
657 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
658 u8 protection_level[8];
659 __be32 num_entries;
660 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
661}__attribute__((packed, aligned (4)));
662
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600663struct ipr_hostrcb_type_07_error {
664 u8 failure_reason[64];
665 struct ipr_vpd vpd;
666 u32 data[222];
667}__attribute__((packed, aligned (4)));
668
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600669struct ipr_hostrcb_type_17_error {
670 u8 failure_reason[64];
671 struct ipr_ext_vpd vpd;
672 u32 data[476];
673}__attribute__((packed, aligned (4)));
674
Linus Torvalds1da177e2005-04-16 15:20:36 -0700675struct ipr_hostrcb_error {
676 __be32 failing_dev_ioasc;
677 struct ipr_res_addr failing_dev_res_addr;
678 __be32 failing_dev_res_handle;
679 __be32 prc;
680 union {
681 struct ipr_hostrcb_type_ff_error type_ff_error;
682 struct ipr_hostrcb_type_01_error type_01_error;
683 struct ipr_hostrcb_type_02_error type_02_error;
684 struct ipr_hostrcb_type_03_error type_03_error;
685 struct ipr_hostrcb_type_04_error type_04_error;
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600686 struct ipr_hostrcb_type_07_error type_07_error;
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600687 struct ipr_hostrcb_type_12_error type_12_error;
688 struct ipr_hostrcb_type_13_error type_13_error;
689 struct ipr_hostrcb_type_14_error type_14_error;
690 struct ipr_hostrcb_type_17_error type_17_error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700691 } u;
692}__attribute__((packed, aligned (4)));
693
694struct ipr_hostrcb_raw {
695 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
696}__attribute__((packed, aligned (4)));
697
698struct ipr_hcam {
699 u8 op_code;
700#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
701#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
702
703 u8 notify_type;
704#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
705#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
706#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
707#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
708#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
709
710 u8 notifications_lost;
711#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
712#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
713
714 u8 flags;
715#define IPR_HOSTRCB_INTERNAL_OPER 0x80
716#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
717
718 u8 overlay_id;
719#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
720#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
721#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
722#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
723#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
brking@us.ibm.comb0df54b2005-11-01 17:01:47 -0600724#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
brking@us.ibm.comee0f05b2005-11-01 17:02:15 -0600725#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
726#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
727#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
728#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
729#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
Linus Torvalds1da177e2005-04-16 15:20:36 -0700730#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
731
732 u8 reserved1[3];
733 __be32 ilid;
734 __be32 time_since_last_ioa_reset;
735 __be32 reserved2;
736 __be32 length;
737
738 union {
739 struct ipr_hostrcb_error error;
740 struct ipr_hostrcb_cfg_ch_not ccn;
741 struct ipr_hostrcb_raw raw;
742 } u;
743}__attribute__((packed, aligned (4)));
744
745struct ipr_hostrcb {
746 struct ipr_hcam hcam;
747 dma_addr_t hostrcb_dma;
748 struct list_head queue;
749};
750
751/* IPR smart dump table structures */
752struct ipr_sdt_entry {
753 __be32 bar_str_offset;
754 __be32 end_offset;
755 u8 entry_byte;
756 u8 reserved[3];
757
758 u8 flags;
759#define IPR_SDT_ENDIAN 0x80
760#define IPR_SDT_VALID_ENTRY 0x20
761
762 u8 resv;
763 __be16 priority;
764}__attribute__((packed, aligned (4)));
765
766struct ipr_sdt_header {
767 __be32 state;
768 __be32 num_entries;
769 __be32 num_entries_used;
770 __be32 dump_size;
771}__attribute__((packed, aligned (4)));
772
773struct ipr_sdt {
774 struct ipr_sdt_header hdr;
775 struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
776}__attribute__((packed, aligned (4)));
777
778struct ipr_uc_sdt {
779 struct ipr_sdt_header hdr;
780 struct ipr_sdt_entry entry[1];
781}__attribute__((packed, aligned (4)));
782
783/*
784 * Driver types
785 */
786struct ipr_bus_attributes {
787 u8 bus;
788 u8 qas_enabled;
789 u8 bus_width;
790 u8 reserved;
791 u32 max_xfer_rate;
792};
793
794struct ipr_resource_entry {
795 struct ipr_config_table_entry cfgte;
796 u8 needs_sync_complete:1;
797 u8 in_erp:1;
798 u8 add_to_ml:1;
799 u8 del_from_ml:1;
800 u8 resetting_device:1;
801
802 struct scsi_device *sdev;
803 struct list_head queue;
804};
805
806struct ipr_resource_hdr {
807 u16 num_entries;
808 u16 reserved;
809};
810
811struct ipr_resource_table {
812 struct ipr_resource_hdr hdr;
813 struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
814};
815
816struct ipr_misc_cbs {
817 struct ipr_ioa_vpd ioa_vpd;
brking@us.ibm.com62275042005-11-01 17:01:14 -0600818 struct ipr_inquiry_page0 page0_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700819 struct ipr_inquiry_page3 page3_data;
820 struct ipr_mode_pages mode_pages;
821 struct ipr_supported_device supp_dev;
822};
823
824struct ipr_interrupt_offsets {
825 unsigned long set_interrupt_mask_reg;
826 unsigned long clr_interrupt_mask_reg;
827 unsigned long sense_interrupt_mask_reg;
828 unsigned long clr_interrupt_reg;
829
830 unsigned long sense_interrupt_reg;
831 unsigned long ioarrin_reg;
832 unsigned long sense_uproc_interrupt_reg;
833 unsigned long set_uproc_interrupt_reg;
834 unsigned long clr_uproc_interrupt_reg;
835};
836
837struct ipr_interrupts {
838 void __iomem *set_interrupt_mask_reg;
839 void __iomem *clr_interrupt_mask_reg;
840 void __iomem *sense_interrupt_mask_reg;
841 void __iomem *clr_interrupt_reg;
842
843 void __iomem *sense_interrupt_reg;
844 void __iomem *ioarrin_reg;
845 void __iomem *sense_uproc_interrupt_reg;
846 void __iomem *set_uproc_interrupt_reg;
847 void __iomem *clr_uproc_interrupt_reg;
848};
849
850struct ipr_chip_cfg_t {
851 u32 mailbox;
852 u8 cache_line_size;
853 struct ipr_interrupt_offsets regs;
854};
855
856struct ipr_chip_t {
857 u16 vendor;
858 u16 device;
859 const struct ipr_chip_cfg_t *cfg;
860};
861
862enum ipr_shutdown_type {
863 IPR_SHUTDOWN_NORMAL = 0x00,
864 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
865 IPR_SHUTDOWN_ABBREV = 0x80,
866 IPR_SHUTDOWN_NONE = 0x100
867};
868
869struct ipr_trace_entry {
870 u32 time;
871
872 u8 op_code;
873 u8 type;
874#define IPR_TRACE_START 0x00
875#define IPR_TRACE_FINISH 0xff
876 u16 cmd_index;
877
878 __be32 res_handle;
879 union {
880 u32 ioasc;
881 u32 add_data;
882 u32 res_addr;
883 } u;
884};
885
886struct ipr_sglist {
887 u32 order;
888 u32 num_sg;
brking@us.ibm.com12baa422005-11-01 17:01:27 -0600889 u32 num_dma_sg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700890 u32 buffer_len;
891 struct scatterlist scatterlist[1];
892};
893
894enum ipr_sdt_state {
895 INACTIVE,
896 WAIT_FOR_DUMP,
897 GET_DUMP,
898 ABORT_DUMP,
899 DUMP_OBTAINED
900};
901
brking@us.ibm.com62275042005-11-01 17:01:14 -0600902enum ipr_cache_state {
903 CACHE_NONE,
904 CACHE_DISABLED,
905 CACHE_ENABLED,
906 CACHE_INVALID
907};
908
Linus Torvalds1da177e2005-04-16 15:20:36 -0700909/* Per-controller data */
910struct ipr_ioa_cfg {
911 char eye_catcher[8];
912#define IPR_EYECATCHER "iprcfg"
913
914 struct list_head queue;
915
916 u8 allow_interrupts:1;
917 u8 in_reset_reload:1;
918 u8 in_ioa_bringdown:1;
919 u8 ioa_unit_checked:1;
920 u8 ioa_is_dead:1;
921 u8 dump_taken:1;
922 u8 allow_cmds:1;
923 u8 allow_ml_add_del:1;
924
brking@us.ibm.com62275042005-11-01 17:01:14 -0600925 enum ipr_cache_state cache_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700926 u16 type; /* CCIN of the card */
927
928 u8 log_level;
929#define IPR_MAX_LOG_LEVEL 4
930#define IPR_DEFAULT_LOG_LEVEL 2
931
932#define IPR_NUM_TRACE_INDEX_BITS 8
933#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
934#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
935 char trace_start[8];
936#define IPR_TRACE_START_LABEL "trace"
937 struct ipr_trace_entry *trace;
938 u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
939
940 /*
941 * Queue for free command blocks
942 */
943 char ipr_free_label[8];
944#define IPR_FREEQ_LABEL "free-q"
945 struct list_head free_q;
946
947 /*
948 * Queue for command blocks outstanding to the adapter
949 */
950 char ipr_pending_label[8];
951#define IPR_PENDQ_LABEL "pend-q"
952 struct list_head pending_q;
953
954 char cfg_table_start[8];
955#define IPR_CFG_TBL_START "cfg"
956 struct ipr_config_table *cfg_table;
957 dma_addr_t cfg_table_dma;
958
959 char resource_table_label[8];
960#define IPR_RES_TABLE_LABEL "res_tbl"
961 struct ipr_resource_entry *res_entries;
962 struct list_head free_res_q;
963 struct list_head used_res_q;
964
965 char ipr_hcam_label[8];
966#define IPR_HCAM_LABEL "hcams"
967 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
968 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
969 struct list_head hostrcb_free_q;
970 struct list_head hostrcb_pending_q;
971
972 __be32 *host_rrq;
973 dma_addr_t host_rrq_dma;
974#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
975#define IPR_HRRQ_RESP_BIT_SET 0x00000002
976#define IPR_HRRQ_TOGGLE_BIT 0x00000001
977#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
978 volatile __be32 *hrrq_start;
979 volatile __be32 *hrrq_end;
980 volatile __be32 *hrrq_curr;
981 volatile u32 toggle_bit;
982
983 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
984
985 const struct ipr_chip_cfg_t *chip_cfg;
986
987 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
988 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
989 void __iomem *ioa_mailbox;
990 struct ipr_interrupts regs;
991
992 u16 saved_pcix_cmd_reg;
993 u16 reset_retries;
994
995 u32 errors_logged;
brking@us.ibm.com3d1d0da2005-11-01 17:01:54 -0600996 u32 doorbell;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700997
998 struct Scsi_Host *host;
999 struct pci_dev *pdev;
1000 struct ipr_sglist *ucode_sglist;
1001 struct ipr_mode_pages *saved_mode_pages;
1002 u8 saved_mode_page_len;
1003
1004 struct work_struct work_q;
1005
1006 wait_queue_head_t reset_wait_q;
1007
1008 struct ipr_dump *dump;
1009 enum ipr_sdt_state sdt_state;
1010
1011 struct ipr_misc_cbs *vpd_cbs;
1012 dma_addr_t vpd_cbs_dma;
1013
1014 struct pci_pool *ipr_cmd_pool;
1015
1016 struct ipr_cmnd *reset_cmd;
1017
1018 char ipr_cmd_label[8];
1019#define IPR_CMD_LABEL "ipr_cmnd"
1020 struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
1021 u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
1022};
1023
1024struct ipr_cmnd {
1025 struct ipr_ioarcb ioarcb;
1026 struct ipr_ioasa ioasa;
1027 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1028 struct list_head queue;
1029 struct scsi_cmnd *scsi_cmd;
1030 struct completion completion;
1031 struct timer_list timer;
1032 void (*done) (struct ipr_cmnd *);
1033 int (*job_step) (struct ipr_cmnd *);
1034 u16 cmd_index;
1035 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1036 dma_addr_t sense_buffer_dma;
1037 unsigned short dma_use_sg;
1038 dma_addr_t dma_handle;
1039 struct ipr_cmnd *sibling;
1040 union {
1041 enum ipr_shutdown_type shutdown_type;
1042 struct ipr_hostrcb *hostrcb;
1043 unsigned long time_left;
1044 unsigned long scratch;
1045 struct ipr_resource_entry *res;
1046 struct scsi_device *sdev;
1047 } u;
1048
1049 struct ipr_ioa_cfg *ioa_cfg;
1050};
1051
1052struct ipr_ses_table_entry {
1053 char product_id[17];
1054 char compare_product_id_byte[17];
1055 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1056};
1057
1058struct ipr_dump_header {
1059 u32 eye_catcher;
1060#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1061 u32 len;
1062 u32 num_entries;
1063 u32 first_entry_offset;
1064 u32 status;
1065#define IPR_DUMP_STATUS_SUCCESS 0
1066#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1067#define IPR_DUMP_STATUS_FAILED 0xffffffff
1068 u32 os;
1069#define IPR_DUMP_OS_LINUX 0x4C4E5558
1070 u32 driver_name;
1071#define IPR_DUMP_DRIVER_NAME 0x49505232
1072}__attribute__((packed, aligned (4)));
1073
1074struct ipr_dump_entry_header {
1075 u32 eye_catcher;
1076#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1077 u32 len;
1078 u32 num_elems;
1079 u32 offset;
1080 u32 data_type;
1081#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1082#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1083 u32 id;
1084#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1085#define IPR_DUMP_LOCATION_ID 0x4C4F4341
1086#define IPR_DUMP_TRACE_ID 0x54524143
1087#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1088#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1089#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1090#define IPR_DUMP_PEND_OPS 0x414F5053
1091 u32 status;
1092}__attribute__((packed, aligned (4)));
1093
1094struct ipr_dump_location_entry {
1095 struct ipr_dump_entry_header hdr;
1096 u8 location[BUS_ID_SIZE];
1097}__attribute__((packed));
1098
1099struct ipr_dump_trace_entry {
1100 struct ipr_dump_entry_header hdr;
1101 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1102}__attribute__((packed, aligned (4)));
1103
1104struct ipr_dump_version_entry {
1105 struct ipr_dump_entry_header hdr;
1106 u8 version[sizeof(IPR_DRIVER_VERSION)];
1107};
1108
1109struct ipr_dump_ioa_type_entry {
1110 struct ipr_dump_entry_header hdr;
1111 u32 type;
1112 u32 fw_version;
1113};
1114
1115struct ipr_driver_dump {
1116 struct ipr_dump_header hdr;
1117 struct ipr_dump_version_entry version_entry;
1118 struct ipr_dump_location_entry location_entry;
1119 struct ipr_dump_ioa_type_entry ioa_type_entry;
1120 struct ipr_dump_trace_entry trace_entry;
1121}__attribute__((packed));
1122
1123struct ipr_ioa_dump {
1124 struct ipr_dump_entry_header hdr;
1125 struct ipr_sdt sdt;
1126 __be32 *ioa_data[IPR_MAX_NUM_DUMP_PAGES];
1127 u32 reserved;
1128 u32 next_page_index;
1129 u32 page_offset;
1130 u32 format;
1131#define IPR_SDT_FMT2 2
1132#define IPR_SDT_UNKNOWN 3
1133}__attribute__((packed, aligned (4)));
1134
1135struct ipr_dump {
1136 struct kref kref;
1137 struct ipr_ioa_cfg *ioa_cfg;
1138 struct ipr_driver_dump driver_dump;
1139 struct ipr_ioa_dump ioa_dump;
1140};
1141
1142struct ipr_error_table_t {
1143 u32 ioasc;
1144 int log_ioasa;
1145 int log_hcam;
1146 char *error;
1147};
1148
1149struct ipr_software_inq_lid_info {
1150 __be32 load_id;
1151 __be32 timestamp[3];
1152}__attribute__((packed, aligned (4)));
1153
1154struct ipr_ucode_image_header {
1155 __be32 header_length;
1156 __be32 lid_table_offset;
1157 u8 major_release;
1158 u8 card_type;
1159 u8 minor_release[2];
1160 u8 reserved[20];
1161 char eyecatcher[16];
1162 __be32 num_lids;
1163 struct ipr_software_inq_lid_info lid[1];
1164}__attribute__((packed, aligned (4)));
1165
1166/*
1167 * Macros
1168 */
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001169#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001170
1171#ifdef CONFIG_SCSI_IPR_TRACE
1172#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1173#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1174#else
1175#define ipr_create_trace_file(kobj, attr) 0
1176#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1177#endif
1178
1179#ifdef CONFIG_SCSI_IPR_DUMP
1180#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1181#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1182#else
1183#define ipr_create_dump_file(kobj, attr) 0
1184#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1185#endif
1186
1187/*
1188 * Error logging macros
1189 */
1190#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1191#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1192#define ipr_crit(...) printk(KERN_CRIT IPR_NAME ": "__VA_ARGS__)
1193#define ipr_warn(...) printk(KERN_WARNING IPR_NAME": "__VA_ARGS__)
1194#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1195
Jeff Garzik017560f2005-10-24 18:04:36 -04001196#define ipr_sdev_printk(level, sdev, fmt, args...) \
1197 sdev_printk(level, sdev, fmt, ## args)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001198
1199#define ipr_sdev_err(sdev, fmt, ...) \
1200 ipr_sdev_printk(KERN_ERR, sdev, fmt, ##__VA_ARGS__)
1201
1202#define ipr_sdev_info(sdev, fmt, ...) \
1203 ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__)
1204
1205#define ipr_sdev_dbg(sdev, fmt, ...) \
1206 IPR_DBG_CMD(ipr_sdev_printk(KERN_INFO, sdev, fmt, ##__VA_ARGS__))
1207
1208#define ipr_res_printk(level, ioa_cfg, res, fmt, ...) \
1209 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, ioa_cfg->host->host_no, \
1210 res.bus, res.target, res.lun, ##__VA_ARGS__)
1211
1212#define ipr_res_err(ioa_cfg, res, fmt, ...) \
1213 ipr_res_printk(KERN_ERR, ioa_cfg, res, fmt, ##__VA_ARGS__)
1214#define ipr_res_dbg(ioa_cfg, res, fmt, ...) \
1215 IPR_DBG_CMD(ipr_res_printk(KERN_INFO, ioa_cfg, res, fmt, ##__VA_ARGS__))
1216
brking@us.ibm.comfa15b1f2005-11-01 17:00:27 -06001217#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1218{ \
1219 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1220 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1221 } else { \
1222 ipr_err(fmt": %d:%d:%d:%d\n", \
1223 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1224 (res).bus, (res).target, (res).lun); \
1225 } \
1226}
1227
Linus Torvalds1da177e2005-04-16 15:20:36 -07001228#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1229 __FILE__, __FUNCTION__, __LINE__)
1230
brking@us.ibm.comd3c74872005-11-01 17:01:34 -06001231#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __FUNCTION__))
1232#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __FUNCTION__))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001233
1234#define ipr_err_separator \
1235ipr_err("----------------------------------------------------------\n")
1236
1237
1238/*
1239 * Inlines
1240 */
1241
1242/**
1243 * ipr_is_ioa_resource - Determine if a resource is the IOA
1244 * @res: resource entry struct
1245 *
1246 * Return value:
1247 * 1 if IOA / 0 if not IOA
1248 **/
1249static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1250{
1251 return (res->cfgte.flags & IPR_IS_IOA_RESOURCE) ? 1 : 0;
1252}
1253
1254/**
1255 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1256 * @res: resource entry struct
1257 *
1258 * Return value:
1259 * 1 if AF DASD / 0 if not AF DASD
1260 **/
1261static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1262{
1263 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1264 !ipr_is_ioa_resource(res) &&
1265 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_AF_DASD)
1266 return 1;
1267 else
1268 return 0;
1269}
1270
1271/**
1272 * ipr_is_vset_device - Determine if a resource is a VSET
1273 * @res: resource entry struct
1274 *
1275 * Return value:
1276 * 1 if VSET / 0 if not VSET
1277 **/
1278static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1279{
1280 if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
1281 !ipr_is_ioa_resource(res) &&
1282 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_VOLUME_SET)
1283 return 1;
1284 else
1285 return 0;
1286}
1287
1288/**
1289 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1290 * @res: resource entry struct
1291 *
1292 * Return value:
1293 * 1 if GSCSI / 0 if not GSCSI
1294 **/
1295static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1296{
1297 if (!ipr_is_ioa_resource(res) &&
1298 IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_SCSI)
1299 return 1;
1300 else
1301 return 0;
1302}
1303
1304/**
brking@us.ibm.comee0a90f2005-11-01 17:02:22 -06001305 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1306 * @res: resource entry struct
1307 *
1308 * Return value:
1309 * 1 if NACA queueing model / 0 if not NACA queueing model
1310 **/
1311static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1312{
1313 if (ipr_is_gscsi(res) && IPR_QUEUEING_MODEL(res) == IPR_QUEUE_NACA_MODEL)
1314 return 1;
1315 return 0;
1316}
1317
1318/**
Linus Torvalds1da177e2005-04-16 15:20:36 -07001319 * ipr_is_device - Determine if resource address is that of a device
1320 * @res_addr: resource address struct
1321 *
1322 * Return value:
1323 * 1 if AF / 0 if not AF
1324 **/
1325static inline int ipr_is_device(struct ipr_res_addr *res_addr)
1326{
1327 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
brking@us.ibm.comd71a8b02005-11-01 17:02:49 -06001328 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001329 return 1;
1330
1331 return 0;
1332}
1333
1334/**
1335 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1336 * @sdt_word: SDT address
1337 *
1338 * Return value:
1339 * 1 if format 2 / 0 if not
1340 **/
1341static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1342{
1343 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1344
1345 switch (bar_sel) {
1346 case IPR_SDT_FMT2_BAR0_SEL:
1347 case IPR_SDT_FMT2_BAR1_SEL:
1348 case IPR_SDT_FMT2_BAR2_SEL:
1349 case IPR_SDT_FMT2_BAR3_SEL:
1350 case IPR_SDT_FMT2_BAR4_SEL:
1351 case IPR_SDT_FMT2_BAR5_SEL:
1352 case IPR_SDT_FMT2_EXP_ROM_SEL:
1353 return 1;
1354 };
1355
1356 return 0;
1357}
1358
1359#endif